from sfa.util.xrn import urn_to_hrn, Xrn
from sfa.server.registry import Registries
from sfa.trust.credential import Credential
-from sfa.plc.api import PlcSfaApi
+from sfa.plc.plcsfaapi import PlcSfaApi
from sfa.plc.aggregate import Aggregate
from sfa.plc.slices import *
from sfa.util.plxrn import hrn_to_pl_slicename, slicename_to_hrn